From: Eli Zaretskii <eliz@gnu.org>
To: Kenichi Handa <handa@gnu.org>
Cc: styang@fastmail.com, 45379@debbugs.gnu.org, stefan@marxist.se,
juri@linkov.net, handa@gnu.org, monnier@iro.umontreal.ca,
stephen.berman@gmx.net
Subject: bug#45379: 28.0.50; Degraded Performance of describe-buffer-bindings
Date: Tue, 30 Mar 2021 10:01:19 +0300 [thread overview]
Message-ID: <838s65ktvk.fsf@gnu.org> (raw)
In-Reply-To: <83r1krtrpt.fsf@gnu.org> (message from Eli Zaretskii on Sun, 07 Mar 2021 08:15:10 +0200)
Ping! Kenichi, could you please help us with this issue?
> Date: Sun, 07 Mar 2021 08:15:10 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: stephen.berman@gmx.net, 45379@debbugs.gnu.org, stefan@marxist.se,
> juri@linkov.net, handa@gnu.org, monnier@iro.umontreal.ca, styang@fastmail.com
>
> > From: handa <handa@gnu.org>
> > Cc: stefan@marxist.se, styang@fastmail.com, juri@linkov.net, rudalics@gmx.at,
> > 45379@debbugs.gnu.org, monnier@iro.umontreal.ca,
> > stephen.berman@gmx.net, handa@gnu.org
> > Date: Sun, 07 Mar 2021 10:42:39 +0900
> >
> > In article <83v9a4wve3.fsf@gnu.org>, Eli Zaretskii <eliz@gnu.org> writes:
> >
> > > > From: Stefan Kangas <stefan@marxist.se>
> > > > Date: Fri, 5 Mar 2021 20:44:33 -0800
> > > > Cc: Juri Linkov <juri@linkov.net>, martin rudalics <rudalics@gmx.at>, Eli Zaretskii <eliz@gnu.org>,
> > > > 45379@debbugs.gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>,
> > > > Stephen Berman <stephen.berman@gmx.net>
> > > >
> > > > It turns out that we were doing unnecessary looping due to the above
> > > > mentioned commit.
> >
> > Could you show me what is "the above mentioned commit"?
>
> This one, I guess:
>
> > commit a6490343366f2b2331a91dcb693effb3a9dd78f5
> > Author: Stefan Kangas <stefan@marxist.se>
> > AuthorDate: Fri Nov 13 15:28:29 2020 +0100
> > Commit: Stefan Kangas <stefan@marxist.se>
> > CommitDate: Sun Nov 22 02:45:03 2020 +0100
> >
> > Don't show key ranges if shadowed by different commands
> >
> > * src/keymap.c (describe_vector): Make sure found consecutive keys
> > are either not shadowed or, if they are, that they are shadowed by
> > the same command. (Bug#9293)
> > * test/src/keymap-tests.el
> > (help--describe-vector/bug-9293-one-shadowed-in-range): New test.
>
> > > > While working on this, I also found that we can get
> > > > rid of an unnecessary call to char_table_ref_and_range, which should
> > > > make this function run even faster.
> >
> > Is the patch for the above improvement the one included in the file
> > 0001-Fix-describe-buffer-bindings-performance-regression.patch?
>
> Yes, it is.
>
> > > > I'm also copying in Kenichi Handa, who was the last to touch this code.
> > > > Handa-san, please let us know if you have any comments on this patch.
> > > > Thanks in advance.
> >
> > > AFAICT, you didn't CC Kenichi; I have now added him to the discussion.
> >
> > It was more than 10 years ago that I last read keymap.c, and since then,
> > the code has been changed a lot. It will take some time to understand
> > the latest code.
>
> Thanks in advance.
next prev parent reply other threads:[~2021-03-30 7:01 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-23 6:01 bug#45379: 28.0.50; Degraded Performance of describe-buffer-bindings styang
2021-01-08 16:47 ` Sheng Yang
2021-01-08 17:00 ` Stefan Kangas
2021-01-08 17:08 ` Stefan Kangas
2021-02-04 15:43 ` Sheng Yang
2021-03-06 4:44 ` Stefan Kangas
2021-03-06 8:15 ` Eli Zaretskii
2021-03-07 1:42 ` handa
2021-03-07 6:15 ` Eli Zaretskii
2021-03-30 7:01 ` Eli Zaretskii [this message]
2021-04-01 15:06 ` handa
2021-04-14 3:06 ` Sheng Yang
2021-03-07 8:12 ` Stefan Kangas
2021-03-07 8:38 ` Eli Zaretskii
2021-05-04 23:31 ` Stefan Kangas
2021-05-06 10:11 ` Eli Zaretskii
2021-05-13 10:10 ` Eli Zaretskii
2021-06-26 21:51 ` Sheng Yang
2021-06-27 5:56 ` Eli Zaretskii
2021-09-07 18:53 ` Eli Zaretskii
2021-09-18 10:37 ` Eli Zaretskii
2021-09-18 12:34 ` Stefan Kangas
2021-09-18 13:24 ` Eli Zaretskii
2021-09-18 14:39 ` Stefan Kangas
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=838s65ktvk.fsf@gnu.org \
--to=eliz@gnu.org \
--cc=45379@debbugs.gnu.org \
--cc=handa@gnu.org \
--cc=juri@linkov.net \
--cc=monnier@iro.umontreal.ca \
--cc=stefan@marxist.se \
--cc=stephen.berman@gmx.net \
--cc=styang@fastmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).